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<head><meta charset="utf-8"><title>Accessing macros in rustc_typeck · t-compiler/help · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/index.html">t-compiler/help</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/Accessing.20macros.20in.20rustc_typeck.html">Accessing macros in rustc_typeck</a></h3>

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<a name="244287256"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/182449-t-compiler/help/topic/Accessing%20macros%20in%20rustc_typeck/near/244287256" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> ptrojahn <a href="https://rust-lang.github.io/zulip_archive/stream/182449-t-compiler/help/topic/Accessing.20macros.20in.20rustc_typeck.html#244287256">(Jun 29 2021 at 14:12)</a>:</h4>
<p>Hey everyone! I'm working on <a href="https://github.com/rust-lang/rust/issues/85851">#85851</a> right now and need to get the available derives in rustc_typeck. I did some digging and from what I can see this information is used in rustc_expand/rustc_resolve and isn't available any more later when type checking. Am I correct here?</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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